Cover Image

Physicochemical properties and lignin degradation of thermal-pretreated oil palm empty fruit bunch

Oil palm empty fruit bunches (EFB) are recoverable lignocellulosic biomass serving as feedstock for biofuel production. The major hurdle in producing biofuel from biomass is the abundance of embedded recalcitrant lignin. Pretreatment is a key step to increase the accessibility of enzymes to fermenta...

Full description

Saved in:
Bibliographic Details
Main Authors: Intan Nazirah Mohammad, Clarence M. Ongkudon, Mailin Misson
Format: Article
Language:English
Published: Multidisciplinary Digital Publishing Institute (MDPI) 2020
Subjects:
QK1-474.5 General Including geographical distribution
TP248.13-248.65 Biotechnology
Online Access:https://eprints.ums.edu.my/id/eprint/42457/1/FULL%20TEXT.pdf
https://eprints.ums.edu.my/id/eprint/42457/
http://dx.doi.org/10.3390/en13225966
Tags: Add Tag
No Tags, Be the first to tag this record!
id my.ums.eprints.42457
record_format eprints
spelling my.ums.eprints.424572024-12-31T01:19:12Z https://eprints.ums.edu.my/id/eprint/42457/ Physicochemical properties and lignin degradation of thermal-pretreated oil palm empty fruit bunch Intan Nazirah Mohammad Clarence M. Ongkudon Mailin Misson QK1-474.5 General Including geographical distribution TP248.13-248.65 Biotechnology Oil palm empty fruit bunches (EFB) are recoverable lignocellulosic biomass serving as feedstock for biofuel production. The major hurdle in producing biofuel from biomass is the abundance of embedded recalcitrant lignin. Pretreatment is a key step to increase the accessibility of enzymes to fermentable sugars. In this study, thermal pretreatments at moderate temperatures ranging from 150 ◦C to 210 ◦C, at different durations (30–120 min) and EFB particle sizes (1–10 mm), were employed to maximize lignin degradation. Observation through a scanning electron microscope (SEM) revealed disruptions in EFB structure and the removal of silica bodies and other impurities upon thermal pretreatment. Remarkable changes on the elemental contents and functional groups occurred, as was evident from the energy dispersive X-ray (EDX) and Fourier transform infrared (FTIR) analyses. The smallest EFB size yielded higher lignin degradation—about 2.3-fold and 1.2-fold higher—than the biggest and moderate tested EFB sizes, indicating a smaller particle size provides a higher surface area for bioreaction. Furthermore, applying a longer duration of treatment and a higher temperature enhanced lignin degradation by up to 58%. This study suggests that moderate thermal treatment could enhance lignin degradation by altering the physicochemical structure of EFB, which is beneficial in improving biofuel production. Multidisciplinary Digital Publishing Institute (MDPI) 2020 Article NonPeerReviewed text en https://eprints.ums.edu.my/id/eprint/42457/1/FULL%20TEXT.pdf Intan Nazirah Mohammad and Clarence M. Ongkudon and Mailin Misson (2020) Physicochemical properties and lignin degradation of thermal-pretreated oil palm empty fruit bunch. Energies, 12. pp. 1-12. http://dx.doi.org/10.3390/en13225966
institution Universiti Malaysia Sabah
building UMS Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Sabah
content_source UMS Institutional Repository
url_provider http://eprints.ums.edu.my/
language English
topic QK1-474.5 General Including geographical distribution
TP248.13-248.65 Biotechnology
spellingShingle QK1-474.5 General Including geographical distribution
TP248.13-248.65 Biotechnology
Intan Nazirah Mohammad
Clarence M. Ongkudon
Mailin Misson
Physicochemical properties and lignin degradation of thermal-pretreated oil palm empty fruit bunch
description Oil palm empty fruit bunches (EFB) are recoverable lignocellulosic biomass serving as feedstock for biofuel production. The major hurdle in producing biofuel from biomass is the abundance of embedded recalcitrant lignin. Pretreatment is a key step to increase the accessibility of enzymes to fermentable sugars. In this study, thermal pretreatments at moderate temperatures ranging from 150 ◦C to 210 ◦C, at different durations (30–120 min) and EFB particle sizes (1–10 mm), were employed to maximize lignin degradation. Observation through a scanning electron microscope (SEM) revealed disruptions in EFB structure and the removal of silica bodies and other impurities upon thermal pretreatment. Remarkable changes on the elemental contents and functional groups occurred, as was evident from the energy dispersive X-ray (EDX) and Fourier transform infrared (FTIR) analyses. The smallest EFB size yielded higher lignin degradation—about 2.3-fold and 1.2-fold higher—than the biggest and moderate tested EFB sizes, indicating a smaller particle size provides a higher surface area for bioreaction. Furthermore, applying a longer duration of treatment and a higher temperature enhanced lignin degradation by up to 58%. This study suggests that moderate thermal treatment could enhance lignin degradation by altering the physicochemical structure of EFB, which is beneficial in improving biofuel production.
format Article
author Intan Nazirah Mohammad
Clarence M. Ongkudon
Mailin Misson
author_facet Intan Nazirah Mohammad
Clarence M. Ongkudon
Mailin Misson
author_sort Intan Nazirah Mohammad
title Physicochemical properties and lignin degradation of thermal-pretreated oil palm empty fruit bunch
title_short Physicochemical properties and lignin degradation of thermal-pretreated oil palm empty fruit bunch
title_full Physicochemical properties and lignin degradation of thermal-pretreated oil palm empty fruit bunch
title_fullStr Physicochemical properties and lignin degradation of thermal-pretreated oil palm empty fruit bunch
title_full_unstemmed Physicochemical properties and lignin degradation of thermal-pretreated oil palm empty fruit bunch
title_sort physicochemical properties and lignin degradation of thermal-pretreated oil palm empty fruit bunch
publisher Multidisciplinary Digital Publishing Institute (MDPI)
publishDate 2020
url https://eprints.ums.edu.my/id/eprint/42457/1/FULL%20TEXT.pdf
https://eprints.ums.edu.my/id/eprint/42457/
http://dx.doi.org/10.3390/en13225966
_version_ 1821003220064927744
score 13.239859

Similar Items